Inventor · disambiguated record
Naoki Iwama
Also filed as: IWAMA NAOKI
4 granted patents·35 citations·filing 1993–2004
74Inventor score
Technology areasC22C
Top patents by PatentIndex Score
4 records- 0175US7195736B1Lead-free steel for machine structural use with excellent machinability and low strength anisotropySANYO SPECIAL STEEL CO LTD·Filed 2000·Granted Mar 27, 2007·10 cites·18 claims
- 0268US5362338ANon-heat treating steel for hot forgingAICHI STEEL WORKS LTD·Filed 1993·Granted Nov 8, 1994·21 cites·12 claims
- 0357US6886984B2Bearing device for internal combustion enginesDAIDO METAL CO·Filed 2003·Granted May 3, 2005·2 cites·20 claims
- 0456US7445680B2Lead-free steel for machine structural use with excellent machinability and low strength anisotropySANYO SPECIAL STEEL CO LTD·Filed 2004·Granted Nov 4, 2008·2 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →